Catamaran yacht



FIG. 1 is a left side elevational view of a catamaran yacht showing mynew design, the right side elevational view being a mirror image of thatshown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front perspective view thereof.

The ornamental design for a catamaran yacht, as shown and described.